# author: lei
# date: 2022/2/8
"""
输入某年某月某日，判断这一天是这一年的第几天？
"""


def judge_days():
    year = int(input('year:\n'))
    month = int(input('month:\n'))
    day = int(input('day:\n'))

    day_sum = 0
    months = (0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334)

    if 0 < month <= 12:
        day_sum = months[month - 1]
    else:
        print('data error')

    day_sum += day
    leap = 0

    if (year % 400 == 0) or ((year % 4 == 0) and (year % 100 != 0)):
        leap = 1
    if (leap == 1) and (month > 2):
        day_sum += 1

    print('it is the %dth day.' % day_sum)


if __name__ == '__main__':
    judge_days()
